DIV CSS[DISCUZ Template Analysis Lecture 1]_html/css_WEB-ITnose

Lecture 1 - Explanation of header.htm variables and statements

Because it is a statement explanation, this document is relatively boring. You can use it as a dictionary.

DISCUZ! (hereinafter referred to as DZ) uses templates to modify the entire program skin. We often modify several templates, namely header.htm (controlling the head), footer.htm (controlling the tail), and discuz.htm (controlling the homepage). middle), css.htm (CSS document) and the newly added css_append.htm (new CSS document) in 6.0

This lecture will focus on the variables and statements in header.htm.
The following will be introduced first Under the concept of variables.
DISCUZ! The variables in the template start with "{" and end with "}", such as {STYLEID}, which represents the style ID. Such variables are mostly used in CSS definitions
It is usually passed through these Simple special words define some long or multiple-used characters once, and replace them through the modification of variable declarations in the background or PHP program files. Variables are composed of unique uppercase words.

The simplest example is to add new variables used in styles.
We open the backend of DZ, forum management-interface style-details after style-bottom end
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Of course. This function is generally not commonly used. It is mentioned here just to let everyone understand the concept of variables more vividly.

There is also a DZ system variable, which is usually declared in the PHP file, usually with " Starting with $", the functions of the variables above are the same

Let’s start with header.htm (hereinafter referred to as header) to explain some commonly used variables and some of the conditional statements.
First, in < ;



in ;head> where $charset represents the encoding type, such as GBK, UTF-8

The next line of

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where
$navtitle represents the name of the current page
$bbname represents the site name
$seotitle represents the SEO name

Looking down, a conditional statement appears

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The meaning expressed here is explained sentence by sentence
It means that if the CSS cache is turned on (that is, the generated .CSS file)
then ...Load the following two CSS files in the
forumdata/cache/ directory... style_{STYLEID}.css and style_{STYLEID}_append.css (two CSS documents corresponding to the style ID and a new CSS document )
If it is not opened, load two corresponding CSS templates directly
{template css}{template css_append}
Where template means template, and the following is the template name, such as {template css} It is the CSS.htm template.
The last is the closing statement
There is a script below, I feel it is necessary to talk about it

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Its main function is to convert the template All {IMGDIR} within become the image paths of the current style.
For example, {IMGDIR}/1.jpg, if the style image path you fill in in the background is images/water, then this statement will display when running The path that comes out is images/water/1.jpg

The next is the most familiar

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It represents the LOGO part
$indexname represents the site path
$bbname has been mentioned above. It represents the site name
{BOARDLOGO} variable represents It is the LOGO image address of the site, and the replaced content is (LOGO_url represents the LOGO address)

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Part 02 will cover the code to copy content from

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